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Technical Data Sheet
A657 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BRACKET,SUPPORT,MUFFLER is a the manufacturer industrial component. Key specifications include head_style: FLAT, stem_style: DOUBLE GROOVED, head_height: 0.1450 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM IN, neck_radius: 0.5312 INCHES NOMINAL IN, stem_length: 6.1320 INCHES NOMINAL IN, stem_diameter: 0.3410 INCHES MINIMUM AND 0.3417 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-312-6199, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
A657
NSN: 5360-00-312-6199
FSC: 5360
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
head_styleFLAT
stem_styleDOUBLE GROOVED
head_height0.1450 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM IN
neck_radius0.5312 INCHES NOMINAL IN
stem_length6.1320 INCHES NOMINAL IN
stem_diameter0.3410 INCHES MINIMUM AND 0.3417 INCHES MAXIMUM IN
chamfer_length0.0312 INCHES NOMINAL IN
outside_diameter1.6360 INCHES MINIMUM AND 1.6460 INCHES MAXIMUM IN
seat_angle_in_deg30.0
first_groove_width0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
second_groove_width0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
carbon_relief_grooveNOT INCLUDED
NSN5360-00-312-6199
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRACKET,SUPPORT,MUFFLER TITLE COMPONENT PN A657 MFR BRACKET,SUPPORT,MUFFLE
KEY FEATURES
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
A657Interchangeable
interchangeable cross-reference
interchangeable
GPW5262Interchangeable
interchangeable cross-reference
interchangeable
966Interchangeable
interchangeable cross-reference
interchangeable
V1641Interchangeable
interchangeable cross-reference
interchangeable
B24818PCA657Interchangeable
Same NIIN cross-reference
interchangeable
SL5605PC271Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A657?
A657 is a BRACKET,SUPPORT,MUFFLER.
What parts can replace A657?
There are 9 known substitutes for A657: A657, GPW5262, 966 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A657?
A657 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-312-6199. This indicates validated use in U.S. government and defense supply chains.
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